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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5843

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Holding revs between gear changes
A friend has a 2.4tdci and between gear changes, more noticeable between 3rd to 4th the revs don't appear to be dropping, i.e staying high as if the foot has not be taken off the pedal.

Any thoughts? I was thinking switch on the clutch pedal? 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #522885 10th Apr 2016 7:53pm
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ARC99



Member Since: 19 Feb 2013
Location: North Yorkshire
Posts: 1831

United Kingdom 2008 Defender 110 Puma 2.4 USW Cairns Blue
I thought that this was just one of those thing, some do it all the time , others don't and some do some of the time.
Mine will do it one day then has a break of 3 or 4 months , or it does it for a week and then has a break.
I have spoken with main dealers and Independent garages they all know about it, do not know what causes it or how it can be stopped. Don't make old people mad.
We don't like being old in the first place,
so it doesn't take much to Censored us off.

Richard
Post #522961 11th Apr 2016 9:40am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 17375

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
2.2 is known for this but not the 2.4.

It is indeed possible that the clutch pedal switch is the culprit, and it is at least quite easy to test.
Post #522963 11th Apr 2016 9:46am
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Eduardo



Member Since: 28 Aug 2008
Location: RegiĆ³n Metropolitana
Posts: 2110

Chile 2007 Defender 110 Puma 2.4 SW Stornoway Grey
In fact ours are developinng the opposite. Some times when the gear change, revs goes up for 1 sec and then drops...
Until now doens't means any problem. I will check the clutch pedal switch (I have to change the cylinder anyway)

Cheers! Eduardo

MY 2007 110 SW PUMA 2.4: Big Fog of 64'
MY 1994 Jayco 1207 Folding camper: "El Tremendo"

Click image to enlarge
Post #522969 11th Apr 2016 10:05am
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GAZ59



Member Since: 10 Feb 2015
Location: DARWIN
Posts: 3

Australia 2008 Defender 110 Puma 2.4 SW Stornoway Grey
I have the same problem and also no solution from the people who should know. Iam going to try changing both clutch and brake switches when they turn up. Have thought this could be linked to the anti stall system??
Thank
Garry
Post #523373 12th Apr 2016 1:11pm
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ChrisJ



Member Since: 12 Nov 2013
Location: Warwickshire
Posts: 231

United Kingdom 2015 Defender 90 Puma 2.2 SW Corris Grey
My 2.2 has done this from new (year old nearly). Does it everyday mainly between 3rd and 4th. I've just learnt to live with it.
Post #523729 13th Apr 2016 7:00pm
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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Kuwait 
Check the pressure sensor on top of the clutch master cylinder. I know (well, 'heard') that when the clutch is depressed it sends a signal to the ECU to reduce RPM... Could be something there Wink
Post #524381 16th Apr 2016 5:18am
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5843

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Thanks for the replies, I will pass on the info 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #524417 16th Apr 2016 9:06am
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DaftOldGit



Member Since: 20 Sep 2015
Location: London
Posts: 52

United Kingdom 
I had a faulty clutch switch on my 2.4 Puma. The ECU thought that the clutch was constantly depressed and therefore wouldn't allow the revs to exceed 3000rpm. It didn't maintain the engine speed the way you're describing though.

Incidently, I found that the switch for the Puma and for the TD5 are opposite throw (one is normally open going closed, the other is normally closed going open), so make sure you have the right one.
Post #524426 16th Apr 2016 9:35am
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excossack



Member Since: 22 Feb 2012
Location: North West
Posts: 5843

United Kingdom 1999 Defender 110 Td5 SW Caledonian Blue
Issue resolved - by replacing the clutch switch.

Thanks all. 1999 Defender TD5 110

Regards
John M0VAZ
Econet Station 48 no clock
Post #531971 16th May 2016 12:02pm
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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Kuwait 
Thumbs Up Solved the bowel problem, working on the consonants...
Post #532141 16th May 2016 7:19pm
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